John Penn Arndt was an American merchant, shipbuilder, and Wisconsin pioneer. He was an early settler at what is now Green Bay, Wisconsin, and served in the 1st Wisconsin Territorial Assembly. He was responsible for the first dam on the Fox River and for building some of Wisconsin's first sailing ships. His son Charles was killed during a session of the Wisconsin Territorial Council in 1842.
- Occupation
- businessperson, politician
- Citizenship
- United States
- Born
- November 25, 1780
- Died
- June 11, 1861, June 10, 1861